أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
People by people, hence you're more likely to buy such products from people you feel understand your genuine need and have the best possible solution for it.
Every product which requires technical information to be passed from seller to buy will require personal selling. Hence for product such as insurance personal selling is the most common selling technique.